Overview

• After a summer-like Thursday near 27–28 C with a humidex around 33 in the GTA, a cold front late Friday will drop Toronto to about 19 C on Saturday.
• Temperatures are expected to climb back into the mid-20s by Sunday with a 20–30% chance of showers, with additional shower or isolated thunderstorm chances early next week.
• Environment Canada and meteorologist Steven Flisfeder anticipate a generally warmer-than-normal pattern across Ontario persisting through October.
• Northern Ontario is projected to stay a few degrees above normal more consistently, while southern areas trend closer to seasonal later yet remain on the warm side.
• Next week’s rain opportunities could offer limited drought relief, though precipitation amounts remain uncertain.